Toothbrush



FIG. 1 is a top plan view of a toothbrush showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 1 thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is an end view taken in the direction of the head thereof; and

FIG. 6 is an end view thereof taken in the direction of the handle. 

The ornamental design for a toothbrush, substantially as shown and described. 